The effect of parental monetary sanctions on the vaccination status of young children: an evaluation of welfare reform in Maryland. [electronic resource]
Producer: 19991223Description: 1242-7 p. digitalISSN:- 1072-4710
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Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
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